The Waltham-born Strictly Come Dancing star is set to appear as a judge on ITV's All Star Musicals alongside musical theatre star Elaine Paige, West End performer Trevor Dion Nicholas, and stage and screen actress Kristin Chenoweth, who originated the role of Glinda in Wicked and has also appeared in hit US TV shows including The West Wing, Glee and Pushing Daisies.

The new show, hosted by John Barrowman, is set to air in spring following its appearance on ITV two years ago with host Freddie Flintoff.

Strictly's Kevin Clifton, US singer Kristin Chenoweth and West End star Trevor Dion Nicholas, who have joined the panel of the forthcoming All Star Musicals show. (Image: PA)

All Star Musicals will see seven celebrities embark on the "ultimate musical theatre masterclass in a show stopping one night spectacular".

Produced by Shiver, a crop of famous faces will take to the London Palladium stage to perform an iconic musical number.

Each of the celebrities, who have all have been selected based on their stand out performance skills, will be aiming to impress the West End audience, as well as the panel.

On Twitter, Kevin Clifton said: "Delighted and really excited to announce I will be on the judging panel for All Star Musicals alongside Elaine Paige, Kristin Chenoweth and Trevor Dion Nicholas."

The show will feature numbers from a range of famous musicals, both contemporary and traditional, with the theatre audience deciding at the end of the night whose performance wowed them the most.

All Star Musicals will also feature special performances from John and Elaine, as well as other critics due to be confirmed in due course.

John Barrowman said: "I can’t wait to bring something fabulous to the TV screens, working with new friends and teaming up with some special old friends, this should be a great night of entertainment - let’s make All Star Musicals fabulous."

Kristin Chenoweth, pictured at the 27th annual Elton John AIDS Foundation Academy Awards Viewing Party in Hollywood last night - she will be judging All Star Musicals with kevin Clifton (Image: Getty Images for EJAF)

"I'm looking forward to following the celebrities on their journey to performing on London's most prestigious stage, and of course it's an added bonus to have a front row seat on the night itself."

The celebrities will be supported by a spectacular West End chorus line and, in the lead up to their big performance, will receive training from expert choreographers and vocal coaches.

Elaine Paige has been announced as one of the judges (Image: PA)

Shiver's creative director, Richard Hastings said: “All Star Musicals is back at a time when musical theatre is in rude health in the UK and who better to mentor our celebrities than the legend that is Elaine Paige?

"Elaine is an icon of both the West End and Broadway and will give the programme an extraordinary authenticity, as well as add a massive sprinkling of stardust to proceedings.”

Head of ITV Entertainment, Siobhan Greene said: "I love this show and it's brilliant to have it back for another night at the Palladium.

"An 'OMG' cast of celebrities to be announced, a "Fabulous" host in John Barrowman and a panel that are all the absolute real deal.... this is going to be a five star treat."